MASTER CYLINDER

MASTER CYLINDER
CAUTION:Master cylinder is used to create a seal for holding vacuum in the power brake booster. Vacuum in power brake booster must be released before removing master cylinder. Ensure area around master cylinder filler tube, master cylinder fluid reservoir and master cylinder-to-power brake booster are clean before servicing master cylinder. Area may be cleaned with brake parts cleaner.

Ensure NEW master cylinder-to-power brake booster vacuum seal is squarely installed in groove on mounting flange of master cylinder before installing master cylinder.
Ensure push rod in power brake booster aligns with piston in master cylinder. Tighten master cylinder-to-power brake booster nuts and brakeline nuts to specification.
On models without ABS, bleed brake system. On models with ABS it is not necessary to bleed the Hydraulic Control Unit (HCU) on the ABS, but the base brake system must be bled